Unbeatable Tic-Tac-Toe

Warning: DOMDocument::load(): expected '>' in /usr/local/www/apache24/data/tictactoe/games.xml, line: 6493 in /usr/local/www/apache24/data/tictactoe/index.php on line 54

Warning: DOMDocument::load(): Opening and ending tag mismatch: ip line 6493 and unparsable in /usr/local/www/apache24/data/tictactoe/games.xml, line: 6493 in /usr/local/www/apache24/data/tictactoe/index.php on line 54

Warning: DOMDocument::load(): Premature end of data in tag game line 6491 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 6493 in /usr/local/www/apache24/data/tictactoe/index.php on line 54

Warning: DOMDocument::load(): attributes construct error in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7567 in /usr/local/www/apache24/data/tictactoe/index.php on line 70

Warning: DOMDocument::load(): Couldn't find end of Start Tag game line 7567 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7567 in /usr/local/www/apache24/data/tictactoe/index.php on line 70

Warning: DOMDocument::load(): Premature end of data in tag tictactoe line 2 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7567 in /usr/local/www/apache24/data/tictactoe/index.php on line 70

Warning: Attempt to read property "lastChild" on null in /usr/local/www/apache24/data/tictactoe/index.php on line 71

Fatal error: Uncaught Error: Call to a member function appendChild() on null in /usr/local/www/apache24/data/tictactoe/index.php:81 Stack trace: #0 /usr/local/www/apache24/data/tictactoe/index.php(307): new_game('3.145.91.254') #1 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 81